Flush valve



Jam. 2, 1923, 194409469 M. w. KELLER.

FLUSH VALVE. FILED APR. 17, 1922.

gravante@ @H501 neg Patented Qlara 2,

MARTMT VALTER KELLER, OEE PINE BLUFF, ARKANSAS.

FLUSH VALVE.

Application led April l?,

To @ZZ wim/m t may concern.'

Be it known that l, MARTIN W. liELLnR,

a citizen et the United States, residing at line Bluii, in the county of Jefferson and State of Arkansas, have invented certain new and useful improvements in a Flush Valve, ot which the following is a specilication.

My invention relates to flush valves for water closets and has particular rerereney to a valve ot the loat type. y The primary object ot the invention is to provide a valve ot this character so constructed and arranged as to be absolutely noiseless in closing oit'.

@ther objects are the provision in a valve of this character, of improved and novel valve seating means, and mounting ot the component valve elements.

lith these and such other objects in view as will be apparent from the description, my invention resides in the novel construction, combination` and arrangement ot parts hereinatter described and claimed, and illustrated in the accompanying drawings, of which;

Figure l is an elevation, partly in section, of a valve constructed in accordance with the invention,

Figure 2 a horizontal section on line 22 or" Figure l, and

Figure 3, a horizontal section on line 33 of Figure l.

As illustrated, l designates the usual tank overflow pipe adapted for mounting in a closet tank, communicating at its lower end by means ot a lateral extension 2, with a threaded pipe section 3 adapted to be secured to the closet flush pipe (not shown). Above the extension 2 the pipe section 3 is tapered in truste-conical formation as at el', to provide a valve seat.

Vertically adjustable by means of a set screw 5. on the over flow pipe l, is a bracket 6 carrying in guiding relation a valve rod 7 bent laterally at its upper end to form a guide member 8 loosely encircling the overflow pipe. Secured on the lower end ot the valve rod is a bell shaped float 9` the lower end of which is ilared to conform with the 1922. Serial. No. 553,367.

shape of the valve seat 4, and is inturned to form an annular tlange l() for the reception ot a rubber washer ll within the float. Directly above the washer the iioat is provided with a bottom. l2, suitably secured therein, and provided with a relatively small central aperture 13.

Float 9 is of course hollow and is disposed in alignment with the valve seat 4i so that when lowered, the washer 1l will engage the seat. Any suitable means of operating' the valve may be provided, which forming nopart ot the present invention, is not illustrated.

ln operation, when the tank is full ot water the weight of saine will keep the float positioned over the valve seat with the valve closed. When valve is opened the air within the float will buoy same allowing it to be lgradually lowered with the tall ot the water level, onto the valve seat, closing the valve, as the suction pulls the float over the seat. The float bottom l2 is in the form of a dat plate, which effectually prevents bubble formation and the aperture 13 acts as a condensation relief, allowing whatever water have splashed within the float chamber, to escape. Due to the tapered formation of the valve seat and washer the valve is closed graduallyi and the, elimination ot bubbles prevents any occurrence or" the objectionable noise attendant on the operation of valves hitherto.

rThe guide member 8 keeps the valve from turning on its seat, thus insuring perfect seating at all times. rllhe various elements of the invention may be made of any suitable material adapted to the requirements, and while l have illustrated and described certain details, l desire it to be understood that l do not intend these as limitations, but that any such may be used as will -fall within the scope oiz the invention as claimed.

l claim l. ln a flush valve, an air float, a dared annular extension integral therewith and eX- tending beneath the float, an inwardly proF jecting flange on the lower end of said eX- tension, a tapered valve seat, an apertured plate comprising the bottom ot said float, a

washer for engaging said valve seat, sind mounted in said exension on the inturned washer being secured ,in said float extension lower end thereof, for closing the valve, and

between the flange and bottom plate. a bubble preventing;` plate 'forming the lootl0 2. ln a flush valve, an air float, a Haired torn of said float disposed zioove said washer.

annular extension thereon extending below ln testimony whereoill l affix niy signature.

the Hoa-t and inturned around its lower end,

a tapered Valve seat, a seat engziging washer MARTIN VfLTER-KELL/ER. 

